Answer:
Yes
Step-by-step explanation:
It is a random sample of the green balls in a bag because it never states that he is doing it someone.
Since 25% is smack in the middle between 20% and 30%, it will take equal volumes of ech to make a 25% solution.
Since 4 gallons of 30% solution was used, so 4 gallons of 20% solution will be needed.
2/3 of 225
= 2/3 x 225
= 150
All of these questions will be exponents and variables.
Answer:
D. 1/2
Step-by-step explanation: